Home / 45,046.67-67,585.50-20,103.93

Finding the Fourth Proportional to 45,046.67, 67,585.50 and 20,103.93

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Solution

The fourth proportional to 45,046.67, 67,585.50 and 20,103.93 is: 30,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,046.67 : 67,585.50 = 20,103.93 : x
  2. Step 2: Convert to fraction form
    45,046.67/67,585.50 = 20,103.93/x
  3. Step 3: Cross multiply
    45,046.67x = 67,585.50 × 20,103.93
  4. Step 4: Simplify right side
    45,046.67x = 1,358,734,161.02
  5. Step 5: Solve for x
    x = 1,358,734,161.02/45,046.67
  6. Step 6: Final answer
    x = 30,162.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.